7681371067780 has 48 divisors (see below), whose sum is σ = 16553311790400. Its totient is φ = 2992494572928.

The previous prime is 7681371067751. The next prime is 7681371067859. The reversal of 7681371067780 is 877601731867.

It is a super-2 number, since 2×7681371067780² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12496174 + ... + 13096453.

It is an arithmetic number, because the mean of its divisors is an integer number (344860662300).

Almost surely, 2^{7681371067780} is an apocalyptic number.

It is an amenable number.

7681371067780 is an abundant number, since it is smaller than the sum of its proper divisors (8871940722620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7681371067780 is a wasteful number, since it uses less digits than its factorization.

7681371067780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25593028 (or 25593026 counting only the distinct ones).

The product of its (nonzero) digits is 16595712, while the sum is 61.

The spelling of 7681371067780 in words is "seven trillion, six hundred eighty-one billion, three hundred seventy-one million, sixty-seven thousand, seven hundred eighty".